Soldering Iron

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[Editors’ note: This same tutorial was originally published as an Instructable. I’m publishing it here for posterity.]

The quality and design of project boards has become so good in recent years, that I almost feel bad putting them together. In this guide, I’m going to show you a simple soldering technique that can make the back of your boards look as nice as the front. You’ll learn how to make perfectly smooth, consistent solder joints that look impossibly tidy.

This week on Maker Update, a zoetrope and a fidget spinner make a baby, an SLS printer from Formlabs, a Raspberry Pi weather chamber, component carnage, and a tiny OLED Pi screen. Our featured Cool Tool is the Hakko FX-901 cordless soldering iron.